// DBusInstance.cs
//
// Copyright (c) 2008 Alan McGovern (alan.mcgovern@gmail.com)
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

using NDesk.DBus;
using org.freedesktop.DBus;
using System;

namespace Monsoon {
    public static class DBusInstance {
        private const string CommandParserPath = "/org/monsoon/commandparser";
        private const string BusName           = "org.monsoon.monsoon";

        private static ICommandParser commandParser;
        private static bool           alreadyRunning;


        public static bool AlreadyRunning {
            get { return alreadyRunning; }
        }

        public static ICommandParser CommandParser {
            get { return commandParser; }
        }

        static DBusInstance() {
            commandParser = new CommandParser();
        }

        public static void Connect() {
            try {
                Ticker.Tick();
                BusG.Init();
                alreadyRunning = Bus.Session.RequestName(BusName) != RequestNameReply.PrimaryOwner;

                if (alreadyRunning) {
                    commandParser = Bus.Session.GetObject<ICommandParser>(BusName, new ObjectPath(CommandParserPath));
                } else {
                    Bus.Session.Register(BusName, new ObjectPath(CommandParserPath), commandParser);
                }
            } catch (Exception) {
                Console.WriteLine("**************************************");
                Console.WriteLine("* DBus support could not be started. *");
                Console.WriteLine("* Some functionality will be missing *");
                Console.WriteLine("**************************************");
            } finally {
                Ticker.Tock("DBus");
            }
        }
    }
}
